The ten dollar bill looks most like monopoly money, I think.
From a traditionalist and aesthetic view, I dislike the redesigning of our currency. But, really, the old ones were just so easy to counterfeit that they had to do something.
This may not be the most reassuring thing or the most appropriate thing, but I think it is relevant and might brighten your day with a little graveyard humor...
It's a good thing you didn't allow the cat to slowly expire at home. We had a cat do that and I swear to god it haunts us. Sometimes at night we hear faint sounds of a cat yowling when both of our current cats are nearby. You see it running out of the corner of your eye. You think you faintly feel a cat walking on your bed at night. And the living cats don't seem to notice.